9154-04 查看數據表（PDF） - Integrated Circuit Systems
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9154-04 Datasheet PDF : 10 Pages
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AV9154A
Pin Descriptions
Frequencies based upon 14.318 MHz input)
PIN NUMBER
PIN NAME
-4 -10 -26 -27 -42 -43
4
4
4
4
4
4
VDD
13 13 13 13 13 13
5
5
5
5
5
5
12 12 12 12 12 12
8
8
8
8
8
8
VDD
GND
GDD
AGND
1 16 1 16 1
1
FS0
16 15 16 15 16 16
FS1
10 - 10 10 9 10
FS2
-
-
9
9
-
-
OE
-
-
-
- 15 15 SLOWCLK#
-
-
-
-
-
9
STOPCLK#
3
3
3
3
3
3
X1
2
2
2
2
2
2
X2
11 10 11 11 10 11 14.318 MHz
-
7
1
-
-
1.84 MHz
6 11 6
6
6
6
-
6
-
-
-
-
-
-
7
7
-
-
24 MHz
16 MHz
12 MHz
7
1
-
-
7
7
8 MHz
14 14 14 - 11 -
CPUCLK
15
-
15 14 14 14 2XCPUCLK
9
-
-
-
-
-
PD#
-
9
-
-
-
-
PDFCLK#
Note:
Internal Pull-up Resistors.
* -04 and -10 have no pull-ups or frequency select pins
** -10 has no pull-up or Pin 9 PDFCLK
TYPE
DESCRIPTION
P Digital power (3.3 or 5V).
P Digital power (3.3 or 5V).
P Digital ground.
P Digital ground.
P Analog ground.
Frequency select 0 for CPU clock
I
(has internal pull-up).*
I
Frequency select 1 for CPU clock
(has internal pull-up).*
I
Frequency select 2 for CPU clock
(has internal pull-up).*
I Tristates outputs when low (has internal pull-up).*
Slows 2XCPU clock to 8 MHz (active low)
I
(has internal pull-up).
I
Stops 2XCPU clock glitch-free (active low)
(has internal pull-up).
I Crystal In.
O Crystal Out.
O 14.318 MHz reference clock output.
O 1.84 MHz (comm) clock output.
O 24 MHz (floppy disk) clock output.
O 16 MHz clock output.
O 12 MHz keyboard clock output.
O
8 MHz keyboard clock output.
O CPU clock output.
O 2X CPU clock output.
I Power-Down All (active low) (has internal pull-up).
Power-Down Fixed Clock
I
(1.84, 8, 16, 24) (active low).**
4
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